Spherical mirror
[化] 球面镜
🧩 词语组成解析
🗣️ 情景例句
They had a special on frozen fish down at the supermarket.
超级市场 冷冻鱼特价。
Where were you on Tuesday?
星期二你在哪里？
Both the police and the workmen were grateful to the student for this piece of advance information.
警察与工人都对那个学生事先通报情况表示感谢。